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The
Renesas is a Japanese semiconductor manufacturer headquartered in Tokyo, Japan, initially incorporated in 2002 as Renesas Technology, the consolidated entity of the semiconductor units of Hitachi and Mitsubishi excluding their dynamic random-access memo ...
'
R8C
'' is a 16-bit microcontroller that was developed as a smaller and cheaper version of the Renesas M16C. It retains the M16C's 16-bit CISC architecture and instruction set, but trades size for speed by cutting the internal data bus from 16 bits to 8 bits. It is available in a number of different versions with varying amounts of flash memory and SRAM.


Members of the R8C family

All R8C have an internal
ring oscillator A ring oscillator is a device composed of an odd number of NOT gates in a ring, whose output oscillates between two voltage levels, representing ''true'' and ''false''. The NOT gates, or inverters, are attached in a chain and the output of the ...
and can be used without an external resonator. Common interfaces are
UART A universal asynchronous receiver-transmitter (UART ) is a computer hardware device for asynchronous serial communication in which the data format and transmission speeds are configurable. It sends data bits one by one, from the least signific ...
and some devices have CAN interfaces. Some devices have an internal data flash which is meant as a replacement for a serial EEPROM, although it handles less write cycles as a real serial EEPROM. R8C devices have OCD (On Chip Debugging, see in-circuit emulator). When debugging with the Renesas E8 debugger or E8a debugger, UART 1 cannot be used. The debug interface uses only four wires: Vcc, GND, Reset and Mode.


R8C/11

*8-16k flash memory


R8C/13

*8-16k flash memory Key features: #4 port I/O #Four Timers (X,Y,Z,C) each other 8 bit, except C timer 16 Bit.plus watch timer 15 bit #10 bit*12 channel A/D converter #8 bit*1 channel UART or clock synchronous serial I/O, plus 8 bit 1 canal UART #System Clock Generator Xin-X out (High-Low Speed On Chip Oscillator) #CPU Core And more Memory


R8C/18

*4-16k flash memory


R8C/19

*4-16k flash memory


R8C/1A

*4-16k flash memory


R8C/1B

*4-16k flash memory


R8C/20

*32-128k flash memory


R8C/21

*32-48k flash memory


R8C/22

*32-48k flash memory *CAN interface


R8C/23

*32-48k flash memory *CAN interface


R8C/24

*16-32kbyte flash memory


R8C/25

*16-32k flash memory


R8C/26

*8-32k flash memory


R8C/27

*8-32k flash memory


R8C/28

*8-16k flash memory


R8C/29

*8-16k flash memory


R8C/2A

*48-96k flash memory


R8C/2B

*48-96k flash memory


R8C/2C

*48-96k flash memory


R8C/2D

*48-96k flash memory


R8C/33


See also

* M16C * M32C


External links


Renesas R8C product page
* http://www.RenesasInteractive.com - Online training for Renesas products * http://www.RenesasRulz.com - A community support forum. * http://www.kpitgnutools.com Official free M16C GNU Toolchain with Free Support
Online Tutorial (Clubelek)
{{Microcontrollers Renesas microcontrollers